зеркало из https://github.com/mozilla/gecko-dev.git
62 строки
2.0 KiB
C
62 строки
2.0 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_BindingStyleRule_h__
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#define mozilla_BindingStyleRule_h__
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#include "nscore.h"
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#include "nsStringGlue.h"
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#include "mozilla/css/Rule.h"
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/**
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* Shared superclass for mozilla::css::StyleRule and mozilla::ServoStyleRule,
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* for use from bindings code.
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*/
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class nsICSSDeclaration;
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namespace mozilla {
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class BindingStyleRule : public css::Rule
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{
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protected:
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BindingStyleRule(uint32_t aLineNumber, uint32_t aColumnNumber)
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: css::Rule(aLineNumber, aColumnNumber)
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{
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}
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BindingStyleRule(const BindingStyleRule& aCopy)
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: css::Rule(aCopy)
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{
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}
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virtual ~BindingStyleRule() {}
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public:
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// This is pure virtual because we have no members, and are an abstract class
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// to start with. The fact that we have to have this declaration at all is
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// kinda dumb. :(
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
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const override MOZ_MUST_OVERRIDE = 0;
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// Likewise for this one. We have to override our superclass, but don't
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// really need to do anything in this method.
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virtual bool IsCCLeaf() const override MOZ_MUST_OVERRIDE = 0;
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// WebIDL API
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// For GetSelectorText/SetSelectorText, we purposefully use a signature that
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// matches the nsIDOMCSSStyleRule one for now, so subclasses can just
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// implement both at once. The actual implementations must never return
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// anything other than NS_OK;
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NS_IMETHOD GetSelectorText(nsAString& aSelectorText) = 0;
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NS_IMETHOD SetSelectorText(const nsAString& aSelectorText) = 0;
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virtual nsICSSDeclaration* Style() = 0;
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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};
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} // namespace mozilla
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#endif // mozilla_BindingStyleRule_h__
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